Product name: DL-2-Aminobutyric acid;
Structural formula:

Molecular formula: C₄H₉NO₂
Molecular weight: 103.12
CAS No.: 2835-81-6
EINECS No.:220-616-5
Appearance: White or white-like crystal powder
Specific rotation: 0°  (C=4.8 in 6M HCL at 20degC)  
Melting point: 291-293 ° C  
Loss on drying: ≤0.3%  
Chloride: ≤0.02%  
Ignition residue: ≤0.2%  
Heavy metal: ≤10ppm  
Content: ≥99%